S
M
T
W
T
F
S
30
68°
48°
31
73°
49°
1
77°
51°
2
72°
46°
3
66°
45°
4
65°
45°
5
66°
46°
6
71°
53°
7
70°
52°
8
71°
51°
9
72°
51°
10
70°
50°
11
67°
50°
12
61°
46°
13
64°
48°
14
61°
45°
15
60°
48°
16
60°
45°
17
56°
47°
18
55°
46°
19
55°
43°
20
54°
41°
21
53°
43°
22
54°
44°
23
53°
43°
24
62°
45°
25
64°
44°
26
63°
46°
27
62°
45°
28
61°
43°
29
58°
42°
30
51°
42°
1
50°
42°
2
49°
39°
3
48°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Freemont
Freemont's September 2026 forecast shows daily high temperatures ranging from 48° to 77°, with overnight lows between 37° and 53°. The average high for September is 62° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Freemont. See also: October | November | December.
